Privacy Badger
Automatically learns to block invisible trackers.
560,132 users
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
342,247 users
Cookie AutoDelete
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs.
160,045 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
143,943 users
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
342,247 users
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
80,496 users
Social Fixer
Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient. Filter the news feed, hide sponsored posts and political posts, hide parts of the page you don't want to see, and more!
17,128 users
FB unseen
Blocks the ”seen” feature of the facebook messenger, and your friends will no longer be able to see if you read their messages.
8,319 users
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
7,181 users
Impulse Blocker
Block distracting websites when you are browsing the web. You can list websites that you don't want to visit in the settings. You can quickly turn the extension on or off from the toolbar.
5,204 users
Adblock Plus
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
11,264,228 users
HTTPS Everywhere
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
505,759 users
Adblock Plus
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
11,264,228 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,855,062 users
Cisco Webex Extension
Join Webex meetings using Firefox ™
1,881,521 users
NoScript Security Suite
The best security you can get in a web browser! Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks, "Spectre", "Meltdown" and other JavaScript exploits. Fx52? https://noscript.net/getit
1,485,397 users